Panasonic PT-RZ990

Chapter 6 Maintenance — Troubleshooting
206 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems Points to be checked Page
Power does not turn on.
f
Is the power plug rmly inserted into the outlet? ―
f
Is the <MAIN POWER> switch set to <OFF>? 68
f
Is the wall outlet supplying electricity? ―
f
Have the circuit breakers tripped? ―
f
Are the light source indicators <LIGHT1>/<LIGHT2> blinking? 203
f
Is the temperature indicator <TEMP> lit or blinking? 204
No image appears.
f
Are connections to external devices correctly performed? 50
f
Is the input selection setting correct? 69
f
Is the [BRIGHTNESS] adjustment setting at a minimum? 84
f
Is the external device that is connected to the projector working properly? ―
f
Is the shutter function in use? 75, 123
f
Is the projection lens attached correctly? 49
f
Is the lens cover still attached to the lens? 58
Image is fuzzy.
f
Is the lens focus set correctly? 70
f
Is the projection distance appropriate? 38
f
Is the lens dirty? 26
f
Is the projector installed perpendicular to the screen? ―
Image is dark
f
Is the [CONTRAST] adjustment setting at a minimum? 84
f
Is the setting value of [LIGHT OUTPUT] set small? 134
f
Are the light source indicators <LIGHT1>/<LIGHT2> blinking?
It may improve by reattaching the projection lens.
203
Color is pale or grayish.
f
Are [COLOR] and [TINT] adjusted correctly? 85
f
Is the external device connected to the projector adjusted correctly? ―
f
Is the computer cable damaged? ―
Remote control does not
respond.
f
Are the batteries depleted? ―
f
Is the polarity of the batteries set correctly? 34
f
Are there any obstructions between the remote control and the remote control signal
receiver of the projector?
30
f
Is the remote control being used beyond its effective operation range? 30
f
Are other forms of light, such as uorescent light, affecting the projection? 30
f
Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
162
f
Is the <REMOTE 2 IN> terminal used for contact control? 223
f
Is the ID number setting operation correct? 77
Menu screen does not
appear.
f
Is the on-screen display function turned off (hidden)? 75
Buttons on the control
panel do not operate.
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to [DISABLE]? 162
f
Is the <REMOTE 2 IN> terminal used for contact control? 223
Image does not display
correctly.
f
Is [SYSTEM SELECTOR] set properly? 90
f
Is [RGB1 INPUT SETTING] set correctly? 112
f
Is there a problem with the video tape or other image sources? ―
f
Is a signal which is not compatible with the projector being input? 225
Image from a computer
does not appear.
f
Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10")
or shorter.)
―
f
Is the external video output on the laptop computer set correctly? (Ex.: The external
output settings may be switched by pressing the “Fn” + “F3” keys or the “Fn” + “F10”
keys simultaneously. This will differ depending on the model of the computer. Refer
to the user manual provided with your computer.)
―